Lake Anna Earthcache EarthCache
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There are two local legends around Barberton, Ohio about Lake Anna. One is that Lake Anna is bottomless lake, the other half believes that Lake Anna is at least 70 feet deep in the middle and fed by Lake Erie. Either way both theories say that if you had drowned in the lake you end up in Lake Erie. A town split by a mystery, but as we will learn with this Earthcache, both sides could not be further from the truth.
Lake Anna has quite an interesting history as prior to 1910 it was a shared lake where the local farmers brought their animals for water and to bathe them. Then after 1910 O.C. Barber moved into the area and Barberton was founded. Barber commissioned someone to renovate the lake area, and Lake Anna was born. Lake Anna was named after Barber’s daughter, Anna. The architect turned the area into a tourist destination which housed what many believe was the grandest hotel in all of Ohio. The hotel burned down, but the lake remained a center of activity for the city where people came to fish, swim and ice skate. While swimming is no longer allowed, the lake is a beautiful destination.
So now the point of this Earthcache, Lake Anna is not a bottomless pit and it doesn’t flow into Lake Erie. Lake Anna is actually classified as a “kettle” lake. Lake Anna is approximately 34 feet deep at its deepest point, which is in the center. A kettle lake is a lake which is formed by a piece of glacier breaking from the front of a glacier and being covered by silt, dirt and washout from the moving glacier. As the glacier slowly melts, the sediment that has it buried sinks into the water leaving either a lake, pond, wetland, or simply a hole which is usually circular. Depending on how that glacier is fed when it melts determines how they are classified. If the kettle is fed by surface or underground rivers or streams it becomes a kettle lake. If the kettle receives its water from precipitation, the groundwater table, or a combination of the two, it is termed a kettle pond or kettle wetland, if vegetated. If the lake is not fed, then it simply dries up. Lake Anna is fed by a natural water spring.
Most kettle lakes average 10 meters deep, which is about 33 feet deep, so Lake Anna at 34 feet deep is about average. Some kettle lakes are as small as 15 feet wide, and can be as large as 8 miles wide. So what I want you to tell me to get your smiley is the answers to the following 3 questions about Lake Anna. A pic of yourself in front of the Lake Anna sign is optional. You have 1 week to provide the answers and post or I will delete your log.
PLEASE ROUND ALL YOUR ANSWERS. I’M NOT LOOKING FOR PERFECTION!
1.What are the approximate gallons of water in Lake Anna?
(To help you with this I have given detailed instructions below)
(You must figure the diameter in order to get the radius of the lake)
What is the diameter of Lake Anna in feet from Waypoint 1 to Waypoint 2(you can get right to the water edge to measure)?
Here is a formula to help: miles x 5280 = feet
Now convert the diameter to the radius of Lake Anna?
The formula is: r = total feet / 2
What are the approximate gallons of water in Lake Anna assuming it is a perfect cone with our diameter measurement and deepest depth of 34 feet?
Here is some help with the calculations:
Step 1
Measure the lake using feet as the unit of measure(which you did in question 1). Convert the feet to inches using the equation. You must know the measure of both the depth and the radius. The radius is half the distance from one side of the circular opening to the other which we figured. Also convert 34 ft(depth) to inches.
The formula is: 12 x feet = inches (12 inches equals 1 foot)
Step 2
Multiply pi by the radius squared (inches), times the depth (inches) divided by 3, to find the volume in cubic inches. Using calculator, this can be accomplished using the pi button. For manual calculation, use 3.1417 for pi.
The formula is: pi x r squared x depth/3 = cubic inches.
Step 3
Now convert cubic inches to gallons.
(1 cubic inches = 0.00432900433 US gallons)
2. There are 2 dates on the only plaque at the visitor center. What are those 2 dates?
3. Lake Anna is a naturally occuring lake as we have discussed. There is a hill around the lake that measures approximately 3/4 of a mile around which tells us that is the approximate size of the ice that formed the lake here. I want an elevation reading from Waypoint 1 and Waypoint 2, then an elevation reading at the top of the hill right behind the 2 Waypoints.
Good Luck and Enjoy!
Additional Hints
(No hints available.)